add nodejs backend

Nodejs-Backend/.env

+PORT = '3010';
+API_KEY = '09835ebba2c6a45b02dd9a232e6068c6';
\ No newline at end of file

Nodejs-Backend/app.js

+const express = require('express');
+const axios = require('axios');
+const firebaseAdmin = require('firebase-admin');
+
+const app = express();
+const port = process.env.PORT || 3001;
+
+const serviceAccount = require('./firebase/serviceAccountKey.json');
+firebaseAdmin.initializeApp({
+    credential: firebaseAdmin.credential.cert(serviceAccount),
+    databaseURL: 'https://your-project-id.firebaseio.com'
+});
+
+const firestore = firebaseAdmin.firestore();
+const weatherDataCollection = firestore.collection('weatherData');
+
+const fetchDeviceAndStore = async (farmId, deviceId) => {
+    try {
+        const url = `http://192.168.73.130/api/data/${deviceId}`;
+        const response = await axios.get(url);
+        const weatherData = response.data;
+        
+        const { humidity, temperature } = weatherData;
+
+        const timestamp = new Date().toISOString();
+        await weatherDataCollection.doc(farmId).set({
+            climateData: {
+                [timestamp]: { humidity, temperature }
+            }
+        }, { merge: true });
+    } catch (error) {
+        console.log('Error fetching weather data:', error);
+    }
+};
+
+const fetchInterval = 3600000; // 1 hour in milliseconds
+
+setInterval(async () => {
+    try {
+        const deviceSnapshot = await firestore.collection('devices').get();
+        deviceSnapshot.forEach((deviceDoc) => {
+            const { deviceId } = deviceDoc.data();
+            fetchDeviceAndStore(deviceDoc.id, deviceId);
+        });
+    } catch (error) {
+        console.log('Error fetching devices:', error);
+    }
+}, fetchInterval);
+
+app.listen(port, () => {
+    console.log(`Server is running on http://localhost:${port}`);
+});

Nodejs-Backend/firebase/serviceAccountKey.json

+{
+  "type": "service_account",
+  "project_id": "clean-57425",
+  "private_key_id": "ffd01106fd495f4f9c8b34ee4fc84ebfc59c5a54",
+  "private_key": "-----BEGIN PRIVATE KEY-----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\npbEZV0RibF1PAEkTY8Vr6Rg=\n-----END PRIVATE KEY-----\n",
+  "client_email": "firebase-adminsdk-hj20w@clean-57425.iam.gserviceaccount.com",
+  "client_id": "117627597479089090103",
+  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+  "token_uri": "https://oauth2.googleapis.com/token",
+  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
+  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-hj20w%40clean-57425.iam.gserviceaccount.com",
+  "universe_domain": "googleapis.com"
+}

Nodejs-Backend/package.json

+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "axios": "^1.4.0",
+    "express": "^4.18.2",
+    "firebase-admin": "^11.10.1"
+  }
+}